MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b3b4d6d76a99253730ccbae926b3148681c0e20bf3f7b1f16e8f627b01090dc. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


MysticStealer


Vendor detections: 10


Intelligence 10 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4b3b4d6d76a99253730ccbae926b3148681c0e20bf3f7b1f16e8f627b01090dc
SHA3-384 hash: 1d297919c693e40d50114a54e027d0089f40d95090dfb94a5f0eb563a943c7a60210d1d5327c01a3a0b1bc6321a4f3b6
SHA1 hash: 7b6fd2e0ae7a69b814444ef7275b59fc16cd4c42
MD5 hash: 8c518aa5216931cb38b01ab1d0ec4481
humanhash: foxtrot-nevada-sad-seventeen
File name:file
Download: download sample
Signature MysticStealer
Create hunting rule
File size:1'114'488 bytes
First seen:2023-09-19 23:12:32 UTC
Last seen:2023-09-19 23:39:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f6040bff5e7406bf13febce5512b9888 (20 x MysticStealer, 5 x RedLineStealer, 1 x a310Logger)
ssdeep 12288:rNse0N2dA1IY9i4ytPDxZZZVf95Tjz8L2aB4vIubLkT82cCpxJNQ4dLCAW:pse22dA1h9i4ytXVX3d8bpnNQHAW
Threatray 80 similar samples on MalwareBazaar
TLSH T1DF35AE21388481B2EEF2E0B747FCBA69526DD0B40B5946DF46DC17EED7242C13B36686
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter andretavare5
Tags:exe MysticStealer


Avatar
andretavare5
Sample downloaded from http://77.91.68.238/love/no230.exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
302
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-09-19 23:15:21 UTC
Tags:
stealc stealer
Link:
https://app.any.run/tasks/1c3dfcb9-faed-4d84-b41c-b7f75408c7bd

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/449869/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.61192.12422.32372.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Сreating synchronization primitives
Creating a file in the %temp% directory
Launching the default Windows debugger (dwwin.exe)
Forced shutdown of a system process
Unauthorized injection to a system process
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control greyware lolbin overlay packed
Link:
https://www.filescan.io/uploads/650a2aff8a37001eb1d6e6bc/reports/4f6ac194-285b-470b-8951-e4845b1a6db0/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/4b3b4d6d76a99253730ccbae926b3148681c0e20bf3f7b1f16e8f627b01090dc
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Sysinternals
Create hunting rule
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/5e6f112a-00a2-4d79-b293-b0a31ab9fd1b
Result
Threat name:
Mystic Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1311205
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Yara detected Mystic Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1311205 Sample: file.exe Startdate: 20/09/2023 Architecture: WINDOWS Score: 96 20 Found malware configuration 2->20 22 Antivirus detection for URL or domain 2->22 24 Antivirus / Scanner detection for submitted sample 2->24 26 3 other signatures 2->26 6 file.exe 1 2->6         started        process3 signatures4 28 Writes to foreign memory regions 6->28 30 Allocates memory in foreign processes 6->30 32 Injects a PE file into a foreign processes 6->32 9 AppLaunch.exe 13 6->9         started        12 WerFault.exe 23 9 6->12         started        14 conhost.exe 6->14         started        16 AppLaunch.exe 6->16         started        process5 dnsIp6 18 5.42.92.211, 49692, 80 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 9->18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4b3b4d6d76a99253730ccbae926b3148681c0e20bf3f7b1f16e8f627b01090dc/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-09-19 23:13:06 UTC
File Type:
PE (Exe)
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jm5u23lwvgjfg4ymzoxje2zrjbubydrax47xwhyw5d3cpmaqsdoa._file
Verdict:
unknown
Similar samples:
0a1c58c839bf6cd0509f4d4defe201326239f07f11551790fc3ea26dd214527b
MysticStealer
16ff77546addcdad51af83bedf0500e3997215c0330557f80739f5124a48713d
MysticStealer
20e63646a7dd55c35b17af2514485c7e70a223a117d137adf3e647b1a044ef2d
MysticStealer
36809bcc829681dea46709c39912a653e838c543a58cdefbb006017b1df09e8c
MysticStealer
712ea7c3ee4a9c62455387e56ab999e8032f87908af0ab69026245da631013a2
MysticStealer
7d36e2d547124ec8b0098ea63c07466c7bb5a25dea8b90f8e4e3eabb212464e9
MysticStealer
c46ccd6a4fceec33d059fd98e36d7c094a409cc41eb0469ee17bfb42fc58aadf
MysticStealer
d2a29e0904fe3d8d32fc05891c0b82626101a8ad5af8177c33c686ef67db4d32
MysticStealer
e4b4807cfda63b6dd9a87a09c3ac79eb06a7e2843ae9492c00d1351d7e8face4
MysticStealer
f097b87b3bcf5a7babd611978b998b3600a66522375116acfaff00a2c90ea3cd
MysticStealer
+ 70 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/230919-27dshsce41/
Behaviour
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
f157c80d3dcf3e18a9cee71cf7b7c816ae806cf6640c67079a856f37769d20b1
MD5 hash:
736ab164867addc0d3090f9da59d3991
SHA1 hash:
77c045a454a09a06ba6f10f4aad3a3e9f98bfea3
Link:
https://www.unpac.me/results/3debc6ff-053b-44b9-a45d-7490c29d284f/
SH256 hash:
4b3b4d6d76a99253730ccbae926b3148681c0e20bf3f7b1f16e8f627b01090dc
MD5 hash:
8c518aa5216931cb38b01ab1d0ec4481
SHA1 hash:
7b6fd2e0ae7a69b814444ef7275b59fc16cd4c42
Link:
https://www.unpac.me/results/3debc6ff-053b-44b9-a45d-7490c29d284f/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4b3b4d6d76a9/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/4b3b4d6d76a99253730ccbae926b3148681c0e20bf3f7b1f16e8f627b01090dc

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

The table below shows additional information about this malware sample such as delivery method and external references.

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by
Cape
Cape
https://www.capesandbox.com/analysis/449869/

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